OBD Guide
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B2877

Right Headlamp Swiveling Position Sensor General Electrical Failure

B2877 is an OBD-II diagnostic trouble code meaning: Right Headlamp Swiveling Position Sensor General Electrical Failure. Common causes: open or short circuit in wiring harness, position sensor malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Incorrect operation of adaptive lighting
  • Dashboard warning
  • Headlights do not change angle

Causes

  • Open or short circuit in wiring harness
  • Position sensor malfunction
  • Poor contact in the sensor connector
  • Problems with the headlight control unit

How to Fix

  1. Check the integrity of the wiring harness to the sensor
  2. Inspect the sensor connector for oxidation or damage.
  3. Check sensor resistance
  4. If necessary, replace the sensor or repair the wiring harness
  5. Reset the error and check the system operation

Related codes

B2878B2879B2880

FAQ

What does the B2877 code mean?

B2877 is an OBD-II diagnostic trouble code that indicates: Right Headlamp Swiveling Position Sensor General Electrical Failure

What causes a B2877 error code?

The most common causes of B2877 include: Open or short circuit in wiring harness; Position sensor malfunction; Poor contact in the sensor connector; Problems with the headlight control unit.

How do I fix a B2877 diagnostic trouble code?

To fix B2877: Check the integrity of the wiring harness to the sensor. Inspect the sensor connector for oxidation or damage.. Check sensor resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2877?

Limited driving only, diagnose soon

How much does it cost to fix B2877?

The estimated repair cost for B2877 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat